John Doe wrote: > Hi Christophe, > > Thanks for your response. I am rebuilding the stable source with > Tetgen right now. > > Just for my understanding, both Netgen and Tetgen produce a Delaunay > tetrahedralization? In my finite volume code, do I need to look out > for elements where the Delaunay condition is not met? >
You'll probably mostly want to avoid bad quality elements. Always apply Optimize and/or Optimize (Netgen) in that case. > Thanks, > > Juan > > On Fri, Oct 3, 2008 at 1:19 AM, Christophe Geuzaine <[EMAIL PROTECTED]> wrote: >> John Doe wrote: >>> According to the web page, bugs should be filed on the mailing list. >>> I have two. >>> >>> Bug #1: >>> If I create a 3d box with corners 1e-5 apart with 5e-7 characteristic >>> length at each corner, the program crashes. If I do the same with 1 >>> and 0.05. This is with the stable source code version >>> >> Hi John - it's a known problem with the 3D Netgen algorithm. Using >> Tetgen+Delaunay should solve this. >> >> (Try first with a binary from the website. To build from sources, you need >> to download tetgen from the web and copy the .cxx and .h files into >> gmsh/contrib/Tetgen/.) >> >>> Bug #2: >>> Compilation of the stable source code fails if GL/gl.h is missing. >>> The configure script misses this on linux. >>> >> We rely on fltk's "fltk-config" script to detect OpenGL on Linux. We should >> maybe include additional tests... >> >> >> >>> Thanks, >>> >>> Juan >>> >>> _______________________________________________ >>> gmsh mailing list >>> [email protected] >>> http://www.geuz.org/mailman/listinfo/gmsh >>> >>> >> >> -- >> Prof. Christophe Geuzaine >> University of Liege, Electrical Engineering and Computer Science >> http://www.montefiore.ulg.ac.be/~geuzaine >> > > -- Prof. Christophe Geuzaine University of Liege, Electrical Engineering and Computer Science http://www.montefiore.ulg.ac.be/~geuzaine _______________________________________________ gmsh mailing list [email protected] http://www.geuz.org/mailman/listinfo/gmsh
